3 years ago

10, 20, 40 what is the 15th term

Mathematics

2 answers:

Rus_ich [418]3 years ago

5 0

The answer will be 560

grin007 [14]3 years ago

3 0

Answer:

560

Step-by-step explanation:

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The area of a circular plate is 625pi sqaure in. If the radius of the plate is tripled what is the new area

goldenfox [79]

Answer:

5625in²

Step-by-step explanation:

Area of the plate = πr²

625π = πr²

625 = r²

r = √625

r = 25in

If the radius of the plate is tripled, then the new radius will be 3(25) = 75in

New Area = π(75)²

New Area = 5625π in²

If the radius is tripled, the new area of the plate is 5625in²

5 0

3 years ago

I want answer for third question <br> 3rd**

padilas [110]

I think it is 1 I am not sure tho

6 0

2 years ago

F(x) = 4x^2 - 3x + 2kx + 1

dybincka [34]

$f(x)=4x^2-3x+2kx+1=4x^2+(2k-3)x+1\\\\a=4;\ b=2k-3;\ c=1\\\\function\ has\ two\ zeros\ when\ \Delta=b^2-4ac > 0\\\\\Delta=(2k-3)^2-4\cdot4\cdot1=4k^2-12k+9-16=4k^2-12k-7 > 0\\\\a_k=4;\ b_k=-12;\ c_k=-7\\\\\Delta_k=(-12)^2-4\cdot4\cdot(-7)=144+112=256\\\\k_1=\frac{-b_k-\sqrt{\Delta_k}}{2a_k};\ k_2=\frac{-b_k+\sqrt{\Delta_k}}{2a_k}$

$\sqrt{\Delta_k}=\sqrt{256}=16\\\\k_1=\frac{12-16}{2\cdot4}=\frac{-4}{8}=-\frac{1}{2};\ k_2=\frac{12+16}{2\cdot4}=\frac{28}{8}=\frac{7}{2}\\\\a_k=4 > 0\ (up\ parabola\ arms-see\ the\ picture)\\\\Answer:k\in(-\infty;-\frac{1}{2})\ \cup\ (\frac{7}{2};\ \infty)$

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3 years ago

If JL=18. Then which statement is true?

kondor19780726 [428]

Answer:

JK = 18 also

Step-by-step explanation:

3 0

2 years ago

Use the Four-Step Approach to solve the given problem.

V125BC [204]

Answer:30 mi

3s = 2.5(s+2)

3s = 2.5s + 5

3s - 2.5s = 5

.5s = 5

s = 5/.5

s = 10 mph to the beach

Confirm this by finding the actual distance each way, should be the same

3*10 = 30 mi

Step-by-step explanation:

6 0

3 years ago